polish_cars.mix: Polish Car Models Mixed Symbolic Dataset

In dataSDA: Datasets and Basic Statistics for Symbolic Data Analysis

Polish Car Models Mixed Symbolic Dataset

Description

Mixed symbolic dataset of 30 car models sold in Poland, with 9 interval-valued technical specification variables and 3 multinomial-valued categorical variables.

Usage

data(polish_cars.mix)

Format

A symbolic data frame (symbolic_tbl) with 30 observations and 12 variables:

• price: Interval-valued price (PLN).

• body: Multinomial body types (e.g., hatchback, sedan, combi).

• wheelbase: Interval-valued wheelbase (mm).

• chassis_length: Interval-valued chassis length (mm).

• chassis_width: Interval-valued chassis width (mm).

• chassis_height: Interval-valued chassis height (mm).

• engine_capacity: Multinomial engine displacement categories (litres).

• engine_power: Interval-valued engine power (HP).

• maximum_speed: Interval-valued maximum speed (km/h).

• acceleration: Interval-valued 0–100 km/h time (seconds).

• fuel_type: Multinomial fuel types (petrol, diesel, LPG).

• fuel_consumption: Interval-valued fuel consumption (L/100km).

Metadata

Sample size (n)	30
Variables (p)	12
Subject area	Automotive
Symbolic format	Mixed (interval, multinomial)
Analytical tasks	Clustering, Descriptive statistics

Source

symbolicDA R package (cars dataset).

References

Dudek, A. and Pelka, M. (2012). symbolicDA: Analysis of Symbolic Data. R package.

Examples

data(polish_cars.mix)

dataSDA documentation built on June 12, 2026, 9:06 a.m.